Microsoft Office Remote Code Execution Vulnerability (KB3118304)

# SPDX-FileCopyrightText: 2017 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.811086");
  script_version("2026-04-28T06:28:06+0000");
  script_cve_id("CVE-2017-8510");
  script_tag(name:"cvss_base", value:"9.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_tag(name:"last_modification", value:"2026-04-28 06:28:06 +0000 (Tue, 28 Apr 2026)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2019-10-03 00:03:00 +0000 (Thu, 03 Oct 2019)");
  script_tag(name:"creation_date", value:"2017-06-14 08:24:16 +0530 (Wed, 14 Jun 2017)");
  script_name("Microsoft Office Remote Code Execution Vulnerability (KB3118304)");

  script_tag(name:"summary", value:"This host is missing an important security
  update according to Microsoft KB3118304");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"insight", value:"The flaw exists due to an error in Microsoft
  Office software when the Office software fails to properly handle objects in
  memory.");

  script_tag(name:"impact", value:"Successful exploitation will allow an attacker
  to use a specially crafted file and perform actions in the security context of
  the current user. The file could then, for example, take actions on behalf of
  the logged-on user with the same permissions as the current user.");

  script_tag(name:"affected", value:"Microsoft Office 2007 Service Pack 3.");

  script_tag(name:"solution", value:"The vendor has released updates. Please see the references for more information.");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"executable_version");
  script_xref(name:"URL", value:"https://support.microsoft.com/en-us/help/3118304");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/98813");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2017 Greenbone AG");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("secpod_office_products_version_900032.nasl");
  script_mandatory_keys("MS/Office/Ver");
  script_require_ports(139, 445);
  exit(0);
}

include("smb_nt.inc");
include("secpod_reg.inc");
include("version_func.inc");
include("secpod_smb_func.inc");

## MS Office
offVer = get_kb_item("MS/Office/Ver");
if(!offVer){
  exit(0);
}

path = registry_get_sz(key:"SOFTWARE\Microsoft\Windows\CurrentVersion",
                            item:"CommonFilesDir");
if(!path){
  exit(0);
}

if(offVer =~ "^(12\.)")
{
  filePath = path + "\Microsoft Shared\GRPHFLT";

  fileVer = fetch_file_version(sysPath:filePath, file_name:"pictim32.flt");
  if(fileVer && fileVer =~ "^(2006\.)")
  {
    if(version_is_less(version:fileVer, test_version:"2006.1200.6769.5000"))
    {
      report = 'File checked:     ' + filePath + "\pictim32.flt" + '\n' +
               'File version:     ' + fileVer  + '\n' +
               'Vulnerable range: ' + "2006 - 2006.1200.6769.4999" + '\n' ;
      security_message(data:report);
    }
  }
}